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4 Inch Schedule 40 Stainless Steel Pipe 304/316 Seamless / Welded

Categories Seamless Stainless Steel Pipe
Brand Name: HNJBL
Model Number: 304/316
Certification: SGS,BV
Place of Origin: China
MOQ: 1 ton
Price: Negotiation
Payment Terms: L/C, T/T
Supply Ability: 100000Ton/Tons per month
Delivery Time: 5-25 working days
Packaging Details: Standard packing
Standard: ASTM/ASME/EN/DIN/JIS,etc
Grade: 316,316L,316H;304,304L,304H;etc
Type: Seamless/Welded
Length: 4000mm,5800mm,6000mm,12000mm,or as required.
Thickness: 0.3-50mm,or as required
Shape: round,square,rectangular,or as request
Technique: Hot rolled,Cold rolled
End: Plain End, Beveled End, Threaded,etc
Surface: 2B, No.4, No.1, No.8 Mirror Finish,etc
Package: Standard export seaworthy package,or as required.
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4 Inch Schedule 40 Stainless Steel Pipe 304/316 Seamless / Welded

Available in seamless and welded formats, Schedule 40 stainless steel pipes conform to ASTM A312 / A213 / A269 standards, grades 304 and 316 are engineered for medium-pressure applications across a wide range of industries—from food and chemical processing to structural and marine systems.

Difference between 304 and 316 stainless steel

Property304 Stainless Steel316 Stainless Steel
Corrosion ResistanceExcellent for most environmentsSuperior, especially in chloride/saltwater exposure
Molybdenum ContentNone2–3% molybdenum for added corrosion resistance
ApplicationsGeneral purpose, indoor/outdoorMarine, chemical, coastal, high-acid environments
CostMore economicalHigher due to alloy content

stainless steel pipe forms

Stainless Steel Seamless Pipe​ Specification

Item

Stainless Steel Pipe

Standard

ASTM A213,ASTM A312,ASTM A789,ASTM A790

Material Grade

201/304/316/S31803/S32750

Outer Diameter

0.1mm--219.1mm

Thickness

0.05mm - 20mm

Length

≤12000mm,or as per customer request

Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 10% or as customer request
c) Length: +/- 10mm

Surface

Satin / Hairline :180#, 320#Polish : 400# ,600# ,800# or Mirror surface;

Pickling

Application

Decoration ,( Processed into railings, handrails, doors and Windows),medical,industry,etc

Packaging

Plastic bag/woven packing(please send details packing to us if you have other requirements)


stainless steel tube


ss pipe production process

SS Tube Surface Finish

Welded pipes can be finished with polished, pickled, or brushed surfaces to meet sanitation and aesthetic requirements.


Details:2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sand blast,brush.
Multiple specifications are available.
ss pipe surface finish

Stainless Pipe End Protection:Plastic Caps

Ends:Plain End, Beveled End, Threaded
stainless steel pipe end

Stainless Tube Photo


Stainless Steel Pipe Packing:

Details:Standard Seaworthy Package,or as requirement

Port:Tianjin,Qingdao,Shanghai port,or as required

Container Size20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM

Stainless Steel Pipe FAQ

Q: What about Stainless steel pipe price information?

A: Negotiation.Prices vary due to changes in raw material prices on a regular basis.

Q: What are your company's main stainless steel products?

A: Our main products are stainless steel plate/sheet, coil, round/square pipe, bar, channel, etc.

Q: What are your payment terms?

A: We can accept the TT,LC or Negotiation

Q: How do you control quality?

A: Mill Test Certification is supplied with shipment, Third Party Inspection is available.

Q: Can I pay you a visit at your factory?

A: Customers from all around the world are welcome to visit our factory.
Buy 4 Inch Schedule 40 Stainless Steel Pipe 304/316 Seamless / Welded at wholesale prices
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